Patents by Inventor Kotaro Kawanami

Kotaro Kawanami has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Optically active diamine derivative and process for producing the same
    Patent number: 8686189
    Abstract: The invention is directed to a process for producing intermediates of a compound which exhibits an activated blood coagulation factor Xa inhibitory action and which is a useful preventive and a therapeutic agent for thrombotic diseases. The intermediate production process is represented by the following reaction scheme.
    Type: Grant
    Filed: September 15, 2006
    Date of Patent: April 1, 2014
    Assignee: Daiichi Sankyo Company, Limited
    Inventors: Koji Sato, Kotaro Kawanami, Tsutomu Yagi
  • OPTICALLY ACTIVE DIAMINE DERIVATIVE AND PROCESS FOR PRODUCING THE SAME
    Publication number: 20090105491
    Abstract: The invention is directed to a process for producing intermediates of a compound which exhibits an activated blood coagulation factor Xa inhibitory action and which is a useful preventive and a therapeutic agent for thrombotic diseases. The intermediate production process is represented by the following reaction scheme.
    Type: Application
    Filed: September 15, 2006
    Publication date: April 23, 2009
    Applicant: DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Koji Sato, Kotaro Kawanami, Tsutomu Yagi